Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -4.60
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) 4.87 -0.375 -1.82
Prot (kg) 5.88 -0.441 -2.60
Fertility Sub Index -12.02
Calving Interval (days) 6.25 -1.459 -9.12
Survival (%) -2.60 1.117 -2.90
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index -0.69
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index -17.48

* Based on an €80/tonne carbon price